Daktronics AF-3165-34-RGB - Manual (Page 49)

Maintenance and Troubleshooting
4-7
Four diagnostic LEDs are located on the controller; the table below tells what each LED
denotes:
CPU
LED Color Function Operation
DS1 Red CAN TxD Flashes when controller is transmitting CAN information.
DS2 Red CAN RxD Flashes when controller is receiving CAN information.
DS3 Red System Reset Off when controller is functioning properly. Flashes at
1.5 second rate if the watchdog timer is not being reset
by controller
DS4 Red Run A steady flash indicates the controller is running
properly. Normal flash rate is about once per second.
DS5 Red U15 Programmed On when U15 contains a valid logic program
DS6 Red U7 Programmed On when U7 contains a valid logic program
DS7 Red Link On when Ethernet interface is in the link-up condition.
Flashes when the Ethernet chip detects transmits or
receives activity
DS8 Red Speed On when the Ethernet interface is at 100Mbps. Off when
the Ethernet interface is at 10Mbps.
DS9 Red Duplex On when the Ethernet interface is at full duplex. Off
when the Ethernet interface is at half-duplex.
DS10 Red Collision Flashes when the Ethernet interface detects a collision
in half-duplex.
DS11 Red +5V On when +5V power supply is functioning.
DS12 Red +3.3V On when +3.3V power supply is functioning.
DS13 Red +2.5V On when +2.5V power supply is functioning.
Product Board
LED Color Function Operation
DS1 Green +5V On when +5V power supply is functioning.
DS2 Green +3.3V On when +3.3V power supply is functioning.
DS3 Yellow COM1 TxD Flashes when transmitting serial information
DS4 Yellow COM1 RxD Flashes when receiving serial information.
Temp/Light Sensor
LED Color Function Operation
DS1 Green +5V On when +5V power supply is functioning.
DS2 Red Run A steady flash indicates the controller is running
correctly. Normal flash rate is about once a second.
Flashes faster when the sensor is transmitting temp or
light information.